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Marantz 2240B Service Manual

Marantz 2240B
42 pages
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Marantz 2240B Specifications

General IconGeneral
TypeStereo Receiver
Power Output40 watts per channel into 8Ω (stereo)
Total Harmonic Distortion0.3%
Signal to Noise Ratio85dB (line)
Speaker Impedance4 to 16Ω
Tuning RangeFM: 88 - 108 MHz
SemiconductorsTransistors, Diodes
Input Sensitivity2.5mV (MM), 150mV (line)

Summary

TEST EQUIPMENT REQUIRED FOR SERVICING

AM Alignment Procedure

Details steps for aligning the AM IF, frequency range, tracking, and signal strength meter.

FM Alignment Procedure

Provides steps for aligning FM IF, oscillator, discriminator, and signal strength meter.

Stereo Separation Alignment

Outlines the procedure for adjusting stereo separation for optimal performance.

Muting Circuit Alignment

Describes the process for aligning the FM muting circuit.

Audio Adjustment

Covers voltage, DC offset, idle current, and phono amplifier adjustments.

SPECIFICATIONS

Audio Circuits Specifications

Details performance specifications for the audio circuits.

FM Sections Specifications

Details performance specifications for the FM sections.

SERVICE INFORMATION FOR EUROPEAN MODEL

Voltage Conversion

Instructions for converting the unit to different voltage settings.

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